Re: [dss] EU Directive versus ABA "digest signatures"

["Andreas Kuehne" <kuehne@klup.de>]

Hi Karel !

> ... which also means that my name under this email is a proper electronic
> signature. 
Yes, if your name is a valid hash of your message and I can find it in a special database under a proper key ... that would convince me !

> Advanced Electronic Signatures and Qualified Signatures are what DSS is targeting, I guess ?
Of course they are in the focus, but a signing service should not be limited to it.

Despite having no experience with "digest signatures" it seems to be an intersting solution. As a tradeoff for the need of online access you need just ONE crypto algorithm ( the hash ) that weakens over time .. Timestamping is included ..  Archiving is in the concept right from the start ...

> So to include "digest signatures", you'll need some other motivation too.
I would need some other motivation to exlude "digest signatures" !

To design a good service interface that can stand the test of time is always a difficult task. I don't think it's a good approach to narrow its operational area just because one technique today is more common than another.


Greetings

Andreas
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